Thread: has anyone dynoed the different intake types?

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  1. #1 has anyone dynoed the different intake types? 
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    Reason I ask is that I have tried various setups on past vehicles and its been hit or miss. What was a waste of time on 1 car was good on another. Last car was just basic cone on end of pipe. No heatshield, no fenderwell install. Just basic and worked fine. This time around I see no reason to do more work than needed for same amount of gain. I actually like the quiet of the car but will change if needed. Right now I am about to gut the airbox but I might also have some parts to put in a cone style filter by the front headlight. What I am curious about is if there are any numbers to back up claims and not just opinion cause that isn't always accurate. The cone right off the tb has me intrigued on wether its good not
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  2. #2 Re: has anyone dynoed the different intake types? 
    DUI BABY Bio248's Avatar
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    i bet you $1000 that an open cone straight off the throttle body dynos the highest under all conditions.

    it just may not be your best option if youre not at least mildly modded since it is essentially sucking hot engine bay air. an FWI pulls nice ambient air, but for what reason when the blower is going to heat it up anyway. flow > air temperature.
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  3. #3 Re: has anyone dynoed the different intake types? 
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    haha, I have seen your post..I was hoping you would reply. I am going for function over everything else..
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  4. #4 Re: has anyone dynoed the different intake types? 
    GT Level Member EmEaston24's Avatar
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    haha bio loves his open cones.
    i got somewhat of a fwi, its like halfway into the fender. still gets cold air tho, fwi is usually what people go with.
    if you have a supercharger you are going to love to hear it whine.
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  5. #5 Re: has anyone dynoed the different intake types? 
    GXP Level Member BwolfGT's Avatar
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    Will the whine be louder on an open cone or an FWI?
    And with my topswap setup which will work better?
    1998 GP GT - Topswap - Ported M90 - N* - 4" FWI - Poly Mounts - 3" DP - 180 Tstat - Alt. Rewire - 3.29 gearing - Full Exhaust - Custom Tune
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  6. #6 Re: has anyone dynoed the different intake types? 
    club of used to own a gp 99prixgt's Avatar
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    Quote Originally Posted by BwolfGT View Post
    Will the whine be louder on an open cone or an FWI?
    And with my topswap setup which will work better?
    Id do open cone. The s/c would be louder open coned, since the noise isn't muffled in the fender.
    16' wrx sti- stock
    06 Spice Red GTO- m6/exhaust/tune/suspension/377whp-383tq-sold
    99 silvermist gp gt-g5/xp/IC/3.0mps-parted&sold
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  7. #7 Re: has anyone dynoed the different intake types? 
    GXP Level Member BwolfGT's Avatar
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    Quote Originally Posted by 99prixgt View Post
    Id do open cone. The s/c would be louder open coned, since the noise isn't muffled in the fender.
    Hmmm, maybe I'll just slap the cone filter on there then after the swap. Are there any cons to replacing the FWI with the open cone?
    1998 GP GT - Topswap - Ported M90 - N* - 4" FWI - Poly Mounts - 3" DP - 180 Tstat - Alt. Rewire - 3.29 gearing - Full Exhaust - Custom Tune
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  8. #8 Re: has anyone dynoed the different intake types? 
    club of used to own a gp 99prixgt's Avatar
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    Quote Originally Posted by BwolfGT View Post
    Hmmm, maybe I'll just slap the cone filter on there then after the swap. Are there any cons to replacing the FWI with the open cone?
    think of it this way...

    Your fwi sucking in air only from the fender, through bends in piping with slightly colder temps, blower heats up air anyway.

    OR

    You run right off the throttle body, completely non-restrictive, no bends or anything, air getting pulled in is warm, blower heats up air anyway.
    16' wrx sti- stock
    06 Spice Red GTO- m6/exhaust/tune/suspension/377whp-383tq-sold
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  9. #9 Re: has anyone dynoed the different intake types? 
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    anyone else want to chime in who is using an open cone??
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  10. #10 Re: has anyone dynoed the different intake types? 
    GTP Level Member JoshMcMadMac's Avatar
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    I keep seeing members on here trashing an intake because it has a bend in it. I have no idea where this notion came from; bends add a very, very minimal restriction, typically negligible in situations like an air intake on an automobile. It does have an impact on laminar flow, but that is also not an issue since the screen at the MAF sensor is there to sort it out regardless of bends or not.

    You will have cooler air if you draw it from outside of the engine compartment. My IAT is almost always 5°F warmer than ambient. Yes, when I am into the throttle a lot, sitting in traffic for an extended period of time, etc. the intake will start taking on heat...but it is still cooler than air pulled directly from the engine compartment.

    Think of it this way: there is a reason not a single car comes from the factor with a filter strapped directly to the MAF sensor/throttle body.
    2000 NavyBlueMetallic GTP Coupe
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  11. #11 Re: has anyone dynoed the different intake types? 
    DUI BABY Bio248's Avatar
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    because its quieter and more economical? anyone that mods their car isnt looking for this anyway.

    anyone to the point of a 3.4 setup or farther should severely look into running an open cone as youre losing power by being able to outflow your intake by having a smaller blower pulley on.
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  12. #12 Re: has anyone dynoed the different intake types? 
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    Hmm. Good points on both sides but still ,anyone have some numbers? Wouldn't cone strapped to the tb flow more air faster in same period of time than cone in fender? And at that rate wouldn't the air be moving and gone so fast that the difference in temp would be negligable? This is why I need some data. Although I think I am going to go open cone anyhow. You guys got me wanting to hear the whine now. If manufacturers did lots of things the way we wanted the cars would be great for us but they would loose sales to the customers who don't care about their car. That's why there isn't a intake/exhaust/ performance chip etc already in from factory. Unless you buy a vette or something then their is likely something to change
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  13. #13 Re: has anyone dynoed the different intake types? 
    Donating Users silverstreak's Avatar
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    Flow test courtesy of zzp. Look at the number for the intake with the 90* bend (fwi)
    You will see its much lower then a straight intake.


    ZZ Performance
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  14. #14 Re: has anyone dynoed the different intake types? 
    SE Level Member BlackGS's Avatar
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    A couple of things I found in the past when testing out different types of intakes:

    1. A cone off the TB will show higher temps while sitting, but as soon as you start moving the air temps will drop significantly, as much as 20* within seconds, and will equal the temps of a CAI.

    2. The flow between a CAI with one bend and open cone off the TB showed significant gains for the open cone. The MAF increase was over 1000hz, and actually caused me to outflow an LQ4 85mm MAF (2.8 pulley installed).

    3. MAP values increased an estimated 20kpa using open cone vs. CAI. I am unsure how much the actual increases were because I exceeded the 200kpa limits of the 2-bar MAP when I ran with the open cone. With CAI, the MAP never exceeded 190kpa, and averaged 180kpa.

    I saw an increase in trap speeds of 2mph with open cone vs. CAI. To me, there was a clear advantage to more flow with open cone on a modified car. Whether there are any gains on a stock or lightly modified car is questionable.

    2000 Regal GS | Stattama Twin-Charge with Comp Turbo 6765 | 12.55 @ 110 15psi | Now running 20psi on E85!! |
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  15. #15 Re: has anyone dynoed the different intake types? 
     

  16. #16 Re: has anyone dynoed the different intake types? 
    GTX Level Member DanGTP's Avatar
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    J/W, where would one place the IAT if the filter is directly on the TB?
    ~
    '97 GTP: 9.5:1 Diamonds, P&P Everything, XP, SSIC, GenV, Shiny Headers, 3.29's, HPTuners, E85
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  17. #17 Re: has anyone dynoed the different intake types? 
    SE Level Member BlackGS's Avatar
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    Quote Originally Posted by DanGTP View Post
    J/W, where would one place the IAT if the filter is directly on the TB?
    In my case, the IAT is integrated into the LQ4 MAF. For a stock TB, it would have to be placed into a spacer.

    2000 Regal GS | Stattama Twin-Charge with Comp Turbo 6765 | 12.55 @ 110 15psi | Now running 20psi on E85!! |
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  18. #18 Re: has anyone dynoed the different intake types? 
    DUI BABY Bio248's Avatar
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    Quote Originally Posted by DanGTP View Post
    J/W, where would one place the IAT if the filter is directly on the TB?
    zip tied it to the wiring on the throttle body. it just sat there.
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  19. #19 Re: has anyone dynoed the different intake types? 
    Donating Users silverstreak's Avatar
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    Quote Originally Posted by Bio248 View Post
    only noobs use FWI setups.
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  20. #20 Re: has anyone dynoed the different intake types? 
    GTP Level Member speedemongtp's Avatar
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    Quote Originally Posted by Bio248 View Post
    zip tied it to the wiring on the throttle body. it just sat there.
    Why do this Bio? Did you not monitor intake temps at all? an doesnt the iat send some kind of signal to affect the tune depending on temps or is it just strictly reading the temps just to read them?
    00 GTP demodded and forsale
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